diff --git a/apps/reports/views.py b/apps/reports/views.py
index 8e8ac2f7a..ecca468f4 100644
--- a/apps/reports/views.py
+++ b/apps/reports/views.py
@@ -95,9 +95,7 @@ def export_chart_to_pdf(chart_name, sessionid, request=None):
         page = context.new_page()
         try:
             page.goto(url, wait_until='networkidle')
-            page.wait_for_selector('.charts-zone', timeout=10000)
-            # 等待渲染完成
-            page.wait_for_timeout(2000)
+            page.wait_for_function('window.echartsFinished === true', timeout=10000)
 
             page_title = page.title()
             print(f"Page title: {page_title}")